730429623840 has 192 divisors, whose sum is σ = 2630471687424. Its totient is φ = 166896611328.

The previous prime is 730429623829. The next prime is 730429623853. The reversal of 730429623840 is 48326924037.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 730429623840.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9898762 + ... + 9972278.

It is an arithmetic number, because the mean of its divisors is an integer number (13700373372).

Almost surely, 2^730429623840 is an apocalyptic number.

730429623840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730429623840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315235843712).

730429623840 is an abundant number, since it is smaller than the sum of its proper divisors (1900042063584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730429623840 is a wasteful number, since it uses less digits than its factorization.

730429623840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76499 (or 76491 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 730429623840 in words is "seven hundred thirty billion, four hundred twenty-nine million, six hundred twenty-three thousand, eight hundred forty".